@article{192398, recid = {192398}, title = {National Acid Precipitation Assessment Program integrated assessment, question[s] 4 & 5 : external review draft / [microform] :}, publisher = {National Acid Precipitation Assessment Program, Office of the Director,}, address = {Washington, DC :}, pages = {1 v. (various pagings) :}, year = {1990}, note = {Cover title: NAPAP integrated assessment : questions 4 & 5.}, url = {http://library.usi.edu/record/192398}, }